X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fipg.c;h=50f0c17451b10cccbafbb77d7c03bc55d9a70f91;hb=47cccd7d7cc1f2b6f34aadc9041fb991c6293cdd;hp=68887235d7e995f9b939ee8e11c9435d30cbf64b;hpb=65a6ec0d72a07f16719e9b7a96e1c4bae044b591;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c
index 68887235d7e..50f0c17451b 100644
--- a/drivers/net/ipg.c
+++ b/drivers/net/ipg.c
@@ -55,6 +55,26 @@ MODULE_DESCRIPTION("IC Plus IP1000 Gigabit Ethernet Adapter Linux Driver "
 		   DrvVer);
 MODULE_LICENSE("GPL");
 
+//variable record -- index by leading revision/length
+//Revision/Length(=N*4), Address1, Data1, Address2, Data2,...,AddressN,DataN
+static unsigned short DefaultPhyParam[] = {
+	// 11/12/03 IP1000A v1-3 rev=0x40
+	/*--------------------------------------------------------------------------
+	(0x4000|(15*4)), 31, 0x0001, 27, 0x01e0, 31, 0x0002, 22, 0x85bd, 24, 0xfff2,
+				 27, 0x0c10, 28, 0x0c10, 29, 0x2c10, 31, 0x0003, 23, 0x92f6,
+				 31, 0x0000, 23, 0x003d, 30, 0x00de, 20, 0x20e7,  9, 0x0700,
+	  --------------------------------------------------------------------------*/
+	// 12/17/03 IP1000A v1-4 rev=0x40
+	(0x4000 | (07 * 4)), 31, 0x0001, 27, 0x01e0, 31, 0x0002, 27, 0xeb8e, 31,
+	    0x0000,
+	30, 0x005e, 9, 0x0700,
+	// 01/09/04 IP1000A v1-5 rev=0x41
+	(0x4100 | (07 * 4)), 31, 0x0001, 27, 0x01e0, 31, 0x0002, 27, 0xeb8e, 31,
+	    0x0000,
+	30, 0x005e, 9, 0x0700,
+	0x0000
+};
+
 static const char *ipg_brand_name[] = {
 	"IC PLUS IP1000 1000/100/10 based NIC",
 	"Sundance Technology ST2021 based NIC",
@@ -837,21 +857,14 @@ static void init_tfdlist(struct net_device *dev)
 static void ipg_nic_txfree(struct net_device *dev)
 {
 	struct ipg_nic_private *sp = netdev_priv(dev);
-	void __iomem *ioaddr = sp->ioaddr;
-	unsigned int curr;
-	u64 txd_map;
-	unsigned int released, pending;
-
-	txd_map = (u64)sp->txd_map;
-	curr = ipg_r32(TFD_LIST_PTR_0) -
-		do_div(txd_map, sizeof(struct ipg_tx)) - 1;
+	unsigned int released, pending, dirty;
 
 	IPG_DEBUG_MSG("_nic_txfree\n");
 
 	pending = sp->tx_current - sp->tx_dirty;
+	dirty = sp->tx_dirty % IPG_TFDLIST_LENGTH;
 
 	for (released = 0; released < pending; released++) {
-		unsigned int dirty = sp->tx_dirty % IPG_TFDLIST_LENGTH;
 		struct sk_buff *skb = sp->TxBuff[dirty];
 		struct ipg_tx *txfd = sp->txd + dirty;
 
@@ -862,11 +875,8 @@ static void ipg_nic_txfree(struct net_device *dev)
 		 * If the TFDDone bit is set, free the associated
 		 * buffer.
 		 */
-		if (dirty == curr)
-			break;
-
-		/* Setup TFDDONE for compatible issue. */
-		txfd->tfc |= cpu_to_le64(IPG_TFC_TFDDONE);
+		if (!(txfd->tfc & cpu_to_le64(IPG_TFC_TFDDONE)))
+                        break;
 
 		/* Free the transmit buffer. */
 		if (skb) {
@@ -878,6 +888,7 @@ static void ipg_nic_txfree(struct net_device *dev)
 
 			sp->TxBuff[dirty] = NULL;
 		}
+		dirty = (dirty + 1) % IPG_TFDLIST_LENGTH;
 	}
 
 	sp->tx_dirty += released;
@@ -990,7 +1001,7 @@ static void ipg_nic_txcleanup(struct net_device *dev)
 }
 
 /* Provides statistical information about the IPG NIC. */
-struct net_device_stats *ipg_nic_get_stats(struct net_device *dev)
+static struct net_device_stats *ipg_nic_get_stats(struct net_device *dev)
 {
 	struct ipg_nic_private *sp = netdev_priv(dev);
 	void __iomem *ioaddr = sp->ioaddr;
@@ -1610,6 +1621,8 @@ static irqreturn_t ipg_interrupt_handler(int irq, void *dev_inst)
 #ifdef JUMBO_FRAME
 	ipg_nic_rxrestore(dev);
 #endif
+	spin_lock(&sp->lock);
+
 	/* Get interrupt source information, and acknowledge
 	 * some (i.e. TxDMAComplete, RxDMAComplete, RxEarly,
 	 * IntRequested, MacControlFrame, LinkEvent) interrupts
@@ -1627,9 +1640,7 @@ static irqreturn_t ipg_interrupt_handler(int irq, void *dev_inst)
 	handled = 1;
 
 	if (unlikely(!netif_running(dev)))
-		goto out;
-
-	spin_lock(&sp->lock);
+		goto out_unlock;
 
 	/* If RFDListEnd interrupt, restore all used RFDs. */
 	if (status & IPG_IS_RFD_LIST_END) {
@@ -1713,9 +1724,9 @@ out_enable:
 	ipg_w16(IPG_IE_TX_DMA_COMPLETE | IPG_IE_RX_DMA_COMPLETE |
 		IPG_IE_HOST_ERROR | IPG_IE_INT_REQUESTED | IPG_IE_TX_COMPLETE |
 		IPG_IE_LINK_EVENT | IPG_IE_UPDATE_STATS, INT_ENABLE);
-
+out_unlock:
 	spin_unlock(&sp->lock);
-out:
+
 	return IRQ_RETVAL(handled);
 }
 
@@ -1923,10 +1934,7 @@ static int ipg_nic_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	 */
 	if (sp->tenmbpsmode)
 		txfd->tfc |= cpu_to_le64(IPG_TFC_TXINDICATE);
-	else if (!((sp->tx_current - sp->tx_dirty + 1) >
-	    IPG_FRAMESBETWEENTXDMACOMPLETES)) {
-		txfd->tfc |= cpu_to_le64(IPG_TFC_TXDMAINDICATE);
-	}
+	txfd->tfc |= cpu_to_le64(IPG_TFC_TXDMAINDICATE);
 	/* Based on compilation option, determine if FCS is to be
 	 * appended to transmit frame by IPG.
 	 */
@@ -1983,7 +1991,7 @@ static int ipg_nic_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	ipg_w32(IPG_DC_TX_DMA_POLL_NOW, DMA_CTRL);
 
 	if (sp->tx_current == (sp->tx_dirty + IPG_TFDLIST_LENGTH))
-		netif_wake_queue(dev);
+		netif_stop_queue(dev);
 
 	spin_unlock_irqrestore(&sp->lock, flags);